USB: ehci-mx6: Fix broken IO access

To get USB working again on the i.MX6, this patch fixes a bug introduced
with commit 522b2a0 "Add proper IO accessors for mx6 usb registers.".
At that occasion, I also added the missing __iomem directive.

Cc: Marek Vasut <marex@denx.de>
CC: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Wolfgang Grandegger <wg@denx.de>

drivers/usb/host/ehci-mx6.c

@@ -73,7 +73,8 @@ static void usbh1_internal_phy_clock_gate(int on)
 
 static void usbh1_power_config(void)
 {
-	struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
+	struct anatop_regs __iomem *anatop =
+		(struct anatop_regs __iomem *)ANATOP_BASE_ADDR;
 	/*
 	 * Some phy and power's special controls for host1
 	 * 1. The external charger detector needs to be disabled
@@ -87,7 +88,7 @@ static void usbh1_power_config(void)
 		     &anatop->usb2_chrg_detect);
 
 	__raw_writel(ANADIG_USB2_PLL_480_CTRL_BYPASS,
-		     &anatop->usb2_pll_480_ctrl);
+		     &anatop->usb2_pll_480_ctrl_clr);
 
 	__raw_writel(ANADIG_USB2_PLL_480_CTRL_ENABLE |
 		     ANADIG_USB2_PLL_480_CTRL_POWER |